P/N 36050001 This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Drop-In Anchors Panel "Type" Fastener, typically used in the automotive industry. Similar to the Pine Tree Clip by ITW-Fastex P/N 36050001, except we need a larger diameter at the base. Base diameter that is required is 1/2" to 3/4" is acceptable. Base head must be flat! These are generally made of nylon, but buyer is open on material. Part Part Number: Similar to Pine Tree Clip ITW-Fastex Material: Material Grade: Technical Specifications Category:Drop-In Anchors Dimensions0.0 x 0.0 inch Annual Usage:1000000.0 The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services and are members of the MFG.com community. For more information visit http://www.mfg.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your quoting experience Drop-In Anchors: Drop-in anchors are female anchors designed for anchoring into concrete. The anchors are dropped into predrilled concrete, then a setting tool is used to expand the anchor.